I'm not sure if it's sarcasm but in case you are serious, Unix shell has been around for over 50 years and its variants are installed on millions systems around

I'm not sure if it's sarcasm but in case you are serious, Unix shell has been around for over 50 years and its variants are installed on millions systems around the world, and it's still the fastest way to accomplish simple tasks on these servers. PowerShell is something vastly different.